package lab02.test36;

/**
 * Created by 邱雅婷 on 2017-11-9.
 */
public abstract class Student {



    String name;
    String type;
    double[] scores = new double[3];
    String grade;



    double calAverage(){

        return (scores[0] + scores[1] + scores[2]) / 3;
    }


    abstract String calGrade();



}
